Cooling pipe return elbow in a steel making furnace



FIG. 1 is a perspective view of a first embodiment of a cooling pipe return elbow in a steel making furnace according to the present design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a perspective view of a second embodiment of a cooling pipe return elbow in a steel making furnace;

FIG. 9 is a second perspective view of the second embodiment;

FIG. 10 is a front view thereof;

FIG. 11 is a left side view thereof;

FIG. 12 is a right side view thereof;

FIG. 13 is a top view thereof; and,

FIG. 14 is a bottom view thereof.

The broken lines shown represent environment of the article and form no part of the claimed design. 

CLAIM The ornamental design for a cooling pipe return elbow in a steel making furnace, as shown and described. 